World Primer

World Primer currently offers two separate features:

Automatically run a set of commands on initial world creation
Use structure templates or custom structure generator rules to automatically generate structures that get inserted into the world on initial world creation

For more information and the downloads (compiled builds), see http://minecraft.curseforge.com/projects/world-primer

Compiling

Clone the repository
Open a command prompt/terminal to the repository directory
run 'gradlew build'
The built jar file will be in build/libs/